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发明人林芳,杨光,刘建华. "A Process for Preparing High-Purity (E)-N-(2-(1H-indol-3-yl)ethyl)-3-(4-ethoxyphenyl)acrylamide" [P]. 中国发明专利, 专利号 CN 111992756 A, 授权公告日 2018-12-14.
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